/*
 * Copyright (C) 2014 hu
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package test.souplang.nodes;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import test.souplang.Context;
import test.souplang.LangNode;

/**
 * 
 * @author hu
 */
public class SLStr extends LangNode {

	public static final Logger LOG = LoggerFactory.getLogger(SLStr.class);
	public String value = null;

	public void readValue(org.w3c.dom.Element xmlElement) {
		value = xmlElement.getAttribute("value");
		if (value.isEmpty()) {
			value = null;
		}
	}

	@Override
	public Object process(Object input, Context context) throws InputTypeErrorException {
		if (value == null || name == null) {
			return null;
		}
		return value;
	}

	@Override
	public boolean validate(Object input) throws Exception {
		return true;
	}

}
